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Any DIY on ULC bushing install for IS?

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Old 03-23-18, 11:52 AM
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ohiois350
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Default Any DIY on ULC bushing install for IS?

hi guy, just like the tittle, i need your help on how to install the UCL, i just pick up the one from ISF to upgrade my IS350, but i need some one can help me on the install tip? Thanks
Old 03-23-18, 11:59 AM
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https://www.clublexus.com/forums/is-...rr-racing.html

Last edited by MikeFig82; 07-26-18 at 10:30 PM.
Old 03-23-18, 08:49 PM
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https://www.clublexus.com/forums/is-...ut-uneven.html
Old 03-24-18, 09:19 PM
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Thanks guys
Old 03-25-18, 01:50 PM
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https://www.clublexus.com/forums/sus...ere-first.html

torque specs for when you're putting everything back together.
Old 03-27-18, 11:22 AM
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Originally Posted by ohiois350
hi guy, just like the tittle, i need your help on how to install the UCL, i just pick up the one from ISF to upgrade my IS350, but i need some one can help me on the install tip? Thanks

OK because the OEM ISF component is a bonded rubber bushing, the LAST thing you tighten is the giant nut on the end of the SA.
** You do this when the front wheels are on the ground. **
NOT HANGING DOWN!!! Failure to do this will ruin a bonded rubber bushing!
Old 03-28-18, 08:40 AM
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Originally Posted by 2013FSport
OK because the OEM ISF component is a bonded rubber bushing, the LAST thing you tighten is the giant nut on the end of the SA.
** You do this when the front wheels are on the ground. **
NOT HANGING DOWN!!! Failure to do this will ruin a bonded rubber bushing!
thanks for the tip, like you said the last big bolt in the bushing tight it when the wheels touch the ground or completely low the car to the ground? Thanks
Old 03-28-18, 09:07 AM
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MikeFig82
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Originally Posted by ohiois350

thanks for the tip, like you said the last big bolt in the bushing tight it when the wheels touch the ground or completely low the car to the ground? Thanks
The car needs to be fully seated on the ground. Suspension compressed by the weight of the vehicle.
Old 03-28-18, 09:22 AM
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^^ yes. Fully settle the suspension. That said I snugged everything but left it just loose enough to move, bounced the car and tightened it into place.

FWIW there is enough freedom in the bolt holes to alter your alignment. Certainly the toe in. Be sure to back the car up a few lengths, verify toe with a tape. Get it to zero or aligned in the next few weeks.
Old 03-28-18, 10:08 AM
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Any video of the installation will be great
Old 03-28-18, 10:46 AM
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Originally Posted by ohiois350
Any video of the installation will be great
It's pretty easy. Safely get the car in the air and block chassis but not by the suspension. Remove plastic center panel. Remove travel tie downs, loosen and remove SA nut, remove bolts securing one bushing.
Cradle is strong enough that engine support is not required, to do ONE SIDE at a time. Pry SA down and remove bushing.

If your car has ever been in a wreck, support the engine just in case there is unforseen damage of cradle.

Pry SA down and install in reverse order. Snug SA nut to pull bushing into place. Align bushing where it was and tighten subframe bolt/bushing bolt.
Set the wheels on ramps and lower full weight of car onto wheels. Tighten SA nut to spec.

That's pretty much it.
Old 03-28-18, 03:10 PM
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MikeFig82
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Originally Posted by 2013FSport
It's pretty easy. Safely get the car in the air and block chassis but not by the suspension. Remove plastic center panel. Remove travel tie downs, loosen and remove SA nut, remove bolts securing one bushing.
Cradle is strong enough that engine support is not required, to do ONE SIDE at a time. Pry SA down and remove bushing.

If your car has ever been in a wreck, support the engine just in case there is unforseen damage of cradle.

Pry SA down and install in reverse order. Snug SA nut to pull bushing into place. Align bushing where it was and tighten subframe bolt/bushing bolt.
Set the wheels on ramps and lower full weight of car onto wheels. Tighten SA nut to spec.

That's pretty much it.
Adding to this I would support the subframe with a jack too. On the AWD when removing the 22mm bolt the subframe drops about 1/2 inch or so. Makes it much easier to remove without the weight dropping on the bolt.
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